Haku
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Pests of cultivated plants in Finland in 1968
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Pests of cultivated plants in Finland in 1983
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1984)
Pests of cultivated plants in Finland in 1982
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1983)
Pests of cultivated plants in Finland in 1984
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)
Pests of cultivated plants in Finland in 1987
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)